Cal Mathis

Cal "Stevie" Mathis was Chief of Staff to Vice President John Hoynes.

Biography
Cal Mathis worked as an advisor to Governor Josiah Bartlet in the opening days of his presidential campaign, but he was fired in favor of Toby Ziegler by Leo McGarry. He then joined John Hoynes and became his Chief of Staff to Vice President. After Hoynes resigned, Mathis was replaced with Will Bailey by the new Vice President, Bob Russell.